My two 80's seem totally quiet but I don't have a 40 to compare them with. On Thursday, April 24, 2003, at 09:04 AM, Lithium wrote: > I have two Barracuda IV drives, 40GB and 80GB. > > 40GB one is really quiet but 80GB one is not. I know 40GB one has one > platter and 80GB one has two. Two platters make the difference so much > or my 80GB one is defective?